20118476

素因数分解:

$2^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{2557}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 40395936

約数和(自身を除く): 20277460

約数列:

[1, 2, 4, 7, 14, 28, 281, 562, 1124, 1967, 2557, 3934, 5114, 7868, 10228, 17899, 35798, 71596, 718517, 1437034, 2874068, 5029619, 10059238, 20118476]

約数ペア:

[(1, 20118476), (2, 10059238), (4, 5029619), (7, 2874068), (14, 1437034), (28, 718517), (281, 71596), (562, 35798), (1124, 17899), (1967, 10228), (2557, 7868), (3934, 5114)]